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feat: Support providing custom keyring for keystore. #12453

Merged
merged 10 commits into from
Jul 8, 2022
1 change: 1 addition & 0 deletions CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
* [#12089](https://github.com/cosmos/cosmos-sdk/pull/12089) Mark the `TipDecorator` as beta, don't include it in simapp by default.
* [#12153](https://github.com/cosmos/cosmos-sdk/pull/12153) Add a new `NewSimulationManagerFromAppModules` constructor, to simplify simulation wiring.
* [#12187](https://github.com/cosmos/cosmos-sdk/pull/12187) Add batch operation for x/nft module.
* [#12453](https://github.com/cosmos/cosmos-sdk/pull/12453) Add `NewInMemoryWithKeyring` function which allows the creation of in memory `keystore` instances with a specified set of existing items.

### State Machine Breaking

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8 changes: 7 additions & 1 deletion crypto/keyring/keyring.go
Original file line number Diff line number Diff line change
Expand Up @@ -150,7 +150,13 @@ type Options struct {
// purposes and on-the-fly key generation.
// Keybase options can be applied when generating this new Keybase.
func NewInMemory(cdc codec.Codec, opts ...Option) Keyring {
return newKeystore(keyring.NewArrayKeyring(nil), cdc, BackendMemory, opts...)
return NewInMemoryWithKeyring(keyring.NewArrayKeyring(nil), cdc, opts...)
}

// NewInMemoryWithKeyring returns an in memory keyring using the specified keyring.Keyring
// as the backing keyring.
func NewInMemoryWithKeyring(kr keyring.Keyring, cdc codec.Codec, opts ...Option) Keyring {
return newKeystore(kr, cdc, BackendMemory, opts...)
}

// New creates a new instance of a keyring.
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44 changes: 44 additions & 0 deletions crypto/keyring/keyring_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ import (
"github.com/cosmos/cosmos-sdk/crypto/keys/multisig"
"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
"github.com/cosmos/cosmos-sdk/crypto/types"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)

Expand Down Expand Up @@ -455,6 +456,49 @@ func TestInMemoryLanguage(t *testing.T) {
require.Equal(t, "unsupported language: only english is supported", err.Error())
}

func TestInMemoryWithKeyring(t *testing.T) {
priv := cryptotypes.PrivKey(secp256k1.GenPrivKey())
pub := priv.PubKey()

cdc := getCodec()
_, err := NewLocalRecord("test record", priv, pub)

multi := multisig.NewLegacyAminoPubKey(
1, []cryptotypes.PubKey{
pub,
},
)

appName := "test-app"

legacyMultiInfo, err := NewLegacyMultiInfo(appName, multi)
require.NoError(t, err)
serializedLegacyMultiInfo := MarshalInfo(legacyMultiInfo)

kb := NewInMemoryWithKeyring(keyring.NewArrayKeyring([]keyring.Item{
{
Key: appName + ".info",
Data: serializedLegacyMultiInfo,
Description: "test description",
},
}), cdc)

t.Run("key exists", func(t *testing.T) {
_, err := kb.Key(appName)
require.NoError(t, err)
})

t.Run("key deleted", func(t *testing.T) {
err := kb.Delete(appName)
require.NoError(t, err)

t.Run("key is gone", func(t *testing.T) {
_, err := kb.Key(appName)
require.Error(t, err)
})
})
}

func TestInMemoryCreateMultisig(t *testing.T) {
cdc := getCodec()
kb, err := New("keybasename", "memory", "", nil, cdc)
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